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Free research essays on topics related to: invertebrates

8 results found, view free essays on page:

  • Million Years Ago Five Hundred
    1,312 words
    On Saturday 12 th 2000, my family and I went on a float trip on the Huzzah River in Steelville, Missouri. The Huzzah River and its surroundings were a perfect location for me to look for my fossil. Since the water level was shallow, that enabled me to look to the river bottom. Almost immediately after I began my search near the edge of the river, I spotted a rock that appeared to have some sort of shell embedded in it. I decided this would be a good specimen for me to try to examine and identify...
    Free research essays on topics related to: five million, twenty five, three hundred, five hundred, million years ago
  • Food Chain Field Trip
    718 words
    The field trip to Elk Island Park taken by both biology twenty classes was an interesting and fun day. We learnt about many different types of plant and animal life in different ecosystems and how they contribute to their ecosystem. The two main ecosystems we looked at in detail were the marsh and the bog. We look at and recorded facts about the abiotic and biotic factors in the area to better understand the importance of these ecosystems. The first thing we learnt about was some of the biotic a...
    Free research essays on topics related to: food chain, insects, field trip, bog, plant life
  • Bone Tissue Mining Operations
    777 words
    Physical changes in the land, soil, water, and air, associated with industrialization directly and indirectly affect the biological environment. Direct impacts include deaths of plants, animals, or people, caused by mining activity or contact with toxic soil or water from mines. Indirect impacts include changes in nutrient cycling, total biomass, species diversity, and eco-system stability due to alterations in groundwater or surface water availability or Water resources are particularly vulnera...
    Free research essays on topics related to: bone tissue, groundwater, surface water, mining operations, river basin
  • Bird Species Generalist And Specialist
    604 words
    Bird Species, Generalist and Specialist Double Crested Cormorant (Phalacrocorax audits) Double Crested Cormorant is a member of the cormorant family of seabirds. Assuming that generalist / opportunistic species are widespread and more or less uniformly distributed, Double Crested Cormorant can hardly be categorized as generalist (Generalist an organism able to utilize many food sources, and therefore able to flourish in many habitats), as the bird may occur along inland waterways and coastal are...
    Free research essays on topics related to: south america, food supply, bird, opportunistic, food sources
  • They Live Fast And Die Young Bryozoans
    710 words
    They live fast and die young: bryozoans Ive learned an article which was written by Diane T. Edwards. It was quite an interesting one. The title sounded as Home on the grain; minuscule and precious, newly found species of aquatic invertebrates offer a delightful solution to a deep sea mystery bryozoans. So, the matter concerns bryozoans. The author gives us description of bryozoans kind of living, the way of migration etc. The article is not large, but contains a lot of interesting and useful in...
    Free research essays on topics related to: invertebrates, grain, aquatic, deep sea, salt water
  • Gulf Of Mexico Hydrothermal Vents
    1,247 words
    Colleen Cavanaugh Dr. Cavanaugh is a Professor of Biology in the Department of Organismic and Evolutionary Biology at Harvard University. Cavanaugh's research focuses on the ecology and evolution of bacteria, with special emphasis on symbiotic bacteria, which is associated with marine invertebrates that inhabit deep-sea hydrothermal vents and shallow reducing sediments. Cavanaugh's studies showed the major macro fauna at hydrothermal vents studied to date host symbiotic, chemosynthetic bacteria....
    Free research essays on topics related to: bacteria, gulf of mexico, ribosomal rna, energy source, hydrothermal vents
  • White Blood Cells Defense Mechanisms
    1,177 words
    Evolution of Immunity and the Invertebrates Article Summery Name: Immunity and the Invertebrates Periodical: Scientific American Nov, 1996 Author: Gregory Beck and Gail S. Habitat Pages: 60 71 Total Pages Read: 9 The complex immune systems of humans and other mammals evolved over quite a long time in some rather surprising ways. In 1982 a Russian zoologist named Elie Metchnikoff noticed a unique property of starfish larva. When he inserted a foreign object through its membrane, tiny cells would ...
    Free research essays on topics related to: immunity, cells called, defense mechanisms, white blood cells, immune systems
  • Life On Earth Newly Discovered
    881 words
    Until recently, scientists believed that the sole source of energy responsible for life on earth was the sun. In 1977, a group of scientists researching the theory of plate tectonics, traveled to the floor of the equatorial Pacific Ocean and discovered something that could possibly explain how life began on this planet. From the Galapagos Rifts thermal springs, scientists discovered densely populated communities of several species never before observed. Since that time the Federal Government has...
    Free research essays on topics related to: life on earth, vent, newly discovered, communities, bacteria

8 results found, view free essays on page:

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